.atbcs_logo{
  margin-left:10px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  opacity:1;
  z-index: 2;
}

.header__nav{
  flex-shrink:1;
  min-width:0;
}
.header__item a{
  padding:0 12px;
}
@media (min-width:1501px){
  .header__logo ._below span{
    display:inline-block;
  }
  .atbcs_logo img{
  width:300px;
  max-width:100%;
  height:auto;
  display: block;
  }
}

@media (max-width:1500px){
  .header__logo ._below span{
    display:block;
    white-space:nowrap;
  }
  .atbcs_logo img{
  width:230px;
  height:auto;
  display: block;
}
}

.inner {
  margin: 0 auto;
  max-width: calc(890px + 5% * 2);
  padding: 0 5%;
  width: 100%;
}

.inner--sm {
  max-width: calc(900px + 5% * 2);
}
@media (max-width: 1035px) {
  .inner {
    max-width: 800px;
    padding: 0 2%;
  }
}

@media (max-width: 767px) {
  .inner {
    max-width: 800px;
    padding: 0 20px;
  }
}


@media (max-width:900px){

  .header__inner{
    flex-wrap:wrap;
    min-height:68px;
  }

  .atbcs_logo{
    width:100%;
    order:3;
    margin:4px 0 0 0;
  }

  .atbcs_logo img{
    width:230px;
  }

  .header__logo ._upper{
    margin-bottom:1px;
  }

}
@media (max-width:900px){
  .header__logo{
    top: 5px;
  }
  .header__logo ._below span{
    display:inline;
  }

  .header__logo ._below{
    white-space:nowrap;
    font-size:1.3rem;
  }
  .header__nav {
    top: 5px;
  }
}
@media (max-width: 767px) {
  .toggle {
    right: 0px;
    top: 10px;
  }
  .header .cross{
    right: 50px;
  }
}

@media (max-width:355px){
  .header__inner{
    flex-wrap:wrap;
  }
  .header__logo{
  flex:1;
  min-width:0;
}
  .toggle{
    order:2;
    margin-left:auto;
    flex:0 0 auto;
    top: -1px;
  }
.atbcs_logo{
    width:100%;
    order:3;
    justify-content:center;
    margin-left:0;
  }

  .atbcs_logo img{
    width:212px;
    max-width:100%;
  }

  .header__inner.inner {
    padding: 0 7px;
  }
  .header .cross {
    top: 15px;
  }
}
/*20260708*/
.president {
  margin-bottom: 5em;
}
.__mssgbox {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
}
.__mssgbox div:nth-child(1) {
  width: 60%;
}
.__mssgbox div:nth-child(1) h2 {
  color: #00285f;
    font-size: 2.8rem;
    font-weight: 700;
    text-align: left;
}
.__mssgbox div:nth-child(2) {
  width: 40%;
  padding-top: 2em;
}
.__mssgbox div:nth-child(2) img {
  display: block;
  max-width: 350px;
  width: 100%;
}
.prsdnt_qa {
  margin-bottom: 5em;
}
.prsdnt_qa h2{
  color: #00285f;
  font-size: 2.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5em;
}
.prsdnt_qa div {
  display: flex;
  flex-direction: column;
  row-gap: 7px;
  margin-bottom: 3em;
}
.prsdnt_qa div h3,.scjl h3 ,.bosyu h3{
  background-color: #B9CDE5;
  padding: 0.2em 0;
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
}
.rc_lnk h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1em;
  font-size: 2.8rem;
  font-weight: bold;
  margin-bottom: 1em;
  color: #00285f;
}
.rc_lnk h2::before,
.rc_lnk h2::after {
  content: "";
  flex: 1;
  border-top: 3px dashed #00285f;
}
.rc_lnkbox {
  display: flex;
  gap: 30px;
  margin-bottom: 2em;
}
.rc_lnkbox a {
  display: flex;
  width: 50%;
  justify-content: center;
  align-items: center;
  min-height: 100px;
  background: linear-gradient(to bottom, #4c84c8 0%, #326aa8 100%);
}
.rc_lnkbox a p {
  color: white;
  font-size: 2.5rem;
  font-weight: 700;
}
.cnst__management,.cnst__technology {
  margin-top: 3em;
}
.cnst__management h2 ,.cnst__technology h2{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100px;
  background: linear-gradient(to bottom, #4c84c8 0%, #326aa8 100%);
  color: white;
  font-size: 2.5rem;
  font-weight: 700;
  /*max-width: 430px;*/
  margin-bottom: 1em;
}
.scjl {
  margin-top: 5em;
}
.scdl_tbl {
  border-collapse: collapse;
  width: 100%;
  margin: 1em auto;
}
.scdl_tbl tr:nth-child(even) {
  background: #DCE6F2;
}
.scdl_tbl th,.scdl_tbl td{
  border: solid 1px black;
  padding: 0.4em;
  text-align: left;
}
.scdl_tbl th{
  width: 20%;
  font-size: 2rem;
}
.scdl_tbl td {
  width: 80%;
}
.scdl_tbl td p {
  line-height: 2em;
}
.scdl_tbl td span {
  font-size: 1.8rem;
}
.bosyu {
  margin: 5em auto;
}
.bosyu h3{
  margin-bottom: 1em;
}
.bosyu_ul1,.bosyu_ul2,.bosyu_ul3 {
  list-style: none;
  padding: 0;
  margin: 0;
}
.bosyu_ul1 li,.bosyu_ul2 li,.bosyu_ul3 li {
  position: relative;
  padding-left: 1em;
}
.bosyu_ul1 li::before{
  content: '・';
  position: absolute;
  top: 0;
  left: 0;
}
.bosyu_ul2 li::before{
  content: '◆';
  position: absolute;
  top: 0;
  left: 0;
}
.bosyu_ul3 li::before{
  content: '■';
  position: absolute;
  top: 0;
  left: 0;
}
.tbl dt {
  color: #00285f;
  font-weight: 700;
  font-size: 1.8rem;
}
.tbl dd {
  font-size: 1.7rem;
}
@media (max-width: 767px) {
  .__mssgbox {
    flex-direction: column-reverse;
  }
  .__mssgbox div:nth-child(1) ,.__mssgbox div:nth-child(2){
  width: 100%;
  }
  .__mssgbox div:nth-child(2) img{
    margin: auto;
  }
  .__mssgbox div:nth-child(1) h2 {
    text-align: center;
  }
  .prsdnt_qa div h3 ,.scdl_tbl th,.scjl h3 ,.bosyu h3{
    font-size: 1.7rem;
  }
  .rc_lnk h2,.cnst__management h2,.cnst__technology h2 {
    font-size: 2.1rem;
  }
  .rc_lnkbox a p {
    font-size: 2rem;
  }
  .scdl_tbl td span {
    font-size: 1.6rem;
  }

  .tbl{
    flex-direction: column;
  }
  .tbl dt {
    width: 100%;
    font-size: 1.7rem;
  }
  .tbl dd {
    border-top: 1px dashed #4aabe3;
    font-size: 1.5rem;
  }
}
@media (max-width:355px){
  .rc_lnkbox{
    flex-direction: column;
  }
  .rc_lnkbox a {
    width: 100%;
  }
}